Question

Using properties of determinants, prove that |−a2abacba−b2bccacb−c2|=4a2b2c2

Answer 1

1 +a2−b2�2ab�−2b�2ab�1−a2+b2�2a�2b� −2a�1−a2−b2�� = (1 + a2+b2)3 Taking L.H.S